f(x) = 1 / 6 x^(6) - 5 / 4 x^(4) + 2 x^(2)
V = Point(f)
P = Point(f)
a = Line(V, P)
b = Line(P, xAxis)
c = Line(V, yAxis)
C = Intersect(b, c)
DeltaX = Segment(P, C)
DeltaY = Segment(C, V)
g = Segment(V, P)
α = Angle(V, C, P)